Records of the Geological Survey of India, Volume 114, Part 1The Survey, 1986 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 12
... dykes and associated country rocks from the dyke swarms of Karnataka and Andhra Pradesh and the granite gneiss and ... dykes may reflect the tensional regimes . Mineralogically , these dykes show a variation from normal unmetamorphosed ...
... dykes and associated country rocks from the dyke swarms of Karnataka and Andhra Pradesh and the granite gneiss and ... dykes may reflect the tensional regimes . Mineralogically , these dykes show a variation from normal unmetamorphosed ...
Page 262
... dykes . A few dykes emplaced along WNW - ESE direction are suspected to be andesi- tic in composition . The acid dykes are composed of rhyolite porphyry and felsite porphyry . Prominent emplacement directions of dykes are WNW - ESE ...
... dykes . A few dykes emplaced along WNW - ESE direction are suspected to be andesi- tic in composition . The acid dykes are composed of rhyolite porphyry and felsite porphyry . Prominent emplacement directions of dykes are WNW - ESE ...
Page 289
... dykes with maximum width of 7.5 m and over a length of 9 km have been traced in the area . G. Pratap Reddy and K. Srinivasa Rao carried out systematic geological mapping of 240 sq km ( 19 ° 51'- 20 ° 00 ′ : 75 ° 20 ′ - 75 ° 30 ′ ; 47 M ...
... dykes with maximum width of 7.5 m and over a length of 9 km have been traced in the area . G. Pratap Reddy and K. Srinivasa Rao carried out systematic geological mapping of 240 sq km ( 19 ° 51'- 20 ° 00 ′ : 75 ° 20 ′ - 75 ° 30 ′ ; 47 M ...
Contents
GEOLOGY DIVISION | 1 |
OFFSHORE MINERAL EXPLORATION MARINE GEOLOGY DIVISION | 48 |
DIVISION OF REGIONAL INTEGRATED SURVEY | 82 |
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Common terms and phrases
abutment alignment amphibolite analysis Andhra Pradesh anomaly bands basalt basin bed rock belt Bihar biotite block boreholes carried chalcopyrite charnockite chemical clay coalfield comprising core covering an area Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes envisages excavation exploration exposed fault foliation Formation geochemical geological investigation geological mapping Geologist geotechnical investigation gneiss Gondwana grade granite gneiss grey Group Headquarters Hydel Project indicated intruded Jammu Karnataka km long Laboratory laterite limestone line km lineaments located logging Lucknow magnetic magnetite mapped an area mica mineralisation minerals nala occur Orissa pegmatite phyllite pits power house proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri siltstone slate soil spillway sq km Srivastava strike length studies sulphide thickness tion tonnes toposheet trending tunnel upto valley varying volcanics width